Williams Comfort Products 7731A-TH Box Wrench 12-pt

Product Description

The WILLIAMS COMFORT PRODUCTS 7731A-TH is a double-ended 12-point box wrench sized at 3/4 inch by 7/8 inch. Box wrenches provide full-contact engagement on fastener heads, reducing the risk of rounding under high torque. The 12-point design allows for shorter swing arcs in tight spaces, making it practical for work in confined areas common in HVAC, plumbing, and mechanical service environments. At 0.73 pounds, the wrench is lightweight enough for overhead or extended work without added fatigue. This is a hand tool suited for journeymen and apprentices alike who need a reliable fixed-size wrench for daily service calls.

This wrench is appropriate for use across residential and commercial trade applications. HVAC technicians, plumbers, pipefitters, and general mechanical service professionals will find the 3/4 inch and 7/8 inch openings useful for fasteners commonly encountered on equipment panels, flanges, unions, and brackets. The 12-point box end engages fasteners securely in both standard and slightly worn hex configurations, making it a practical addition to a service bag or tool chest.

Key Features

• Double-ended box wrench with 3/4 inch and 7/8 inch openings
• 12-point design for shorter swing arc and access in confined spaces
• Full-contact box end reduces fastener rounding under torque
• Lightweight at 0.73 pounds for reduced hand fatigue during extended use
• Sold individually as a single unit

Compatibility

Designed for general mechanical service use with standard 3/4 inch and 7/8 inch hex fasteners found in HVAC, plumbing, and related trade applications.

Installation Notes

Always select the correct wrench size before applying torque to avoid fastener damage. Ensure the wrench is fully seated on the fastener head before turning. When working on energized equipment or pressurized systems, de-energize and depressurize the system per applicable codes before using hand tools on fasteners. Inspect the wrench for cracks or deformation before each use and replace if compromised.

Technical Specifications

• Opening Sizes: 3/4 inch and 7/8 inch
• Point Count: 12-point
• Weight: 0.73 pounds
• UPC: 662459336149
• Sold As: Each

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: 7731A-TH